ZA71531B - Mechanical seal with lubricating means - Google Patents
Mechanical seal with lubricating meansInfo
- Publication number
- ZA71531B ZA71531B ZA710531A ZA71531A ZA71531B ZA 71531 B ZA71531 B ZA 71531B ZA 710531 A ZA710531 A ZA 710531A ZA 71531 A ZA71531 A ZA 71531A ZA 71531 B ZA71531 B ZA 71531B
- Authority
- ZA
- South Africa
- Prior art keywords
- mechanical seal
- lubricating means
- lubricating
- seal
- mechanical
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
- F16J15/3416—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with at least one continuous groove
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/93—Seal including heating or cooling feature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2095470A | 1970-03-19 | 1970-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA71531B true ZA71531B (en) | 1972-09-27 |
Family
ID=21801494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA710531A ZA71531B (en) | 1970-03-19 | 1971-01-27 | Mechanical seal with lubricating means |
Country Status (6)
Country | Link |
---|---|
US (1) | US3638957A (en) |
AU (1) | AU2481071A (en) |
DE (1) | DE2108945A1 (en) |
FR (1) | FR2084902A5 (en) |
NL (1) | NL7103559A (en) |
ZA (1) | ZA71531B (en) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099728A (en) * | 1977-10-17 | 1978-07-11 | Borg-Warner Corporation | Mechanical seal assembly |
US3957276A (en) * | 1975-04-10 | 1976-05-18 | Borg-Warner Corporation | Mechanical seal with pressurized lubrication pockets |
JPS5828466B2 (en) * | 1978-10-25 | 1983-06-16 | 大豊工業株式会社 | mechanical seal |
US4275891A (en) * | 1979-08-14 | 1981-06-30 | Westinghouse Electric Corp. | Face type shaft seal for liquid metal pumps |
DK171954B1 (en) * | 1980-11-04 | 1997-08-25 | Eagle Ind Co Ltd | Mechanical sealing and procedures for the manufacture of a sliding part included in the seal |
US4426092A (en) | 1981-10-23 | 1984-01-17 | Borg-Warner Corporation | Mechanical seal assembly |
US4491331A (en) * | 1981-12-23 | 1985-01-01 | Hughes Tool Company | Grooved mechanical face seal |
US4836561A (en) * | 1987-02-17 | 1989-06-06 | University Of New Mexico | Wavy-tilt-dam seal ring |
DE3722303A1 (en) * | 1987-07-06 | 1989-01-19 | Burgmann Dichtungswerk Feodor | MECHANICAL SEAL FOR SEALING A GASEOUS MEDIUM |
DE3839106A1 (en) * | 1988-11-18 | 1990-05-23 | Burgmann Dichtungswerk Feodor | MECHANICAL SEAL |
US5137284A (en) * | 1990-03-16 | 1992-08-11 | Stein Seal Company | Stationary seal ring assembly for use in dry gas face seal assemblies |
US5090712A (en) * | 1990-07-17 | 1992-02-25 | John Crane Inc. | Non-contacting, gap-type seal having a ring with a patterned microdam seal face |
US5492341A (en) * | 1990-07-17 | 1996-02-20 | John Crane Inc. | Non-contacting, gap-type seal having a ring with a patterned seal face |
GB9103217D0 (en) * | 1991-02-15 | 1991-04-03 | Crane John Uk Ltd | Mechanical face seals |
DE4209484A1 (en) * | 1991-06-12 | 1993-10-21 | Heinz Konrad Prof Dr I Mueller | Mechanical seal with return flow |
US5201531A (en) * | 1992-04-02 | 1993-04-13 | John Crane Inc. | Face seal with double spiral grooves |
DE4211879A1 (en) * | 1992-04-09 | 1993-10-14 | Freudenberg Carl Fa | Mechanical seal |
US5441283A (en) * | 1993-08-03 | 1995-08-15 | John Crane Inc. | Non-contacting mechanical face seal |
US5498007A (en) * | 1994-02-01 | 1996-03-12 | Durametallic Corporation | Double gas barrier seal |
WO1996024789A1 (en) * | 1995-02-06 | 1996-08-15 | Sundstrand Corporation | Improved hydrostatic seal |
US6341782B1 (en) * | 2000-03-03 | 2002-01-29 | Surface Technologies Ltd | Lubricated seals having micropores |
US6446976B1 (en) | 2000-09-06 | 2002-09-10 | Flowserve Management Company | Hydrodynamic face seal with grooved sealing dam for zero-leakage |
US20060214378A1 (en) * | 2005-03-28 | 2006-09-28 | Xiaoqing Zheng | Brush seal with spiral groove back plate |
US20090302546A1 (en) * | 2005-04-28 | 2009-12-10 | Hidekazu Takahashi | Mechanical seal device |
US7775528B2 (en) * | 2006-02-13 | 2010-08-17 | Freudenberg-Nok General Partnership | Bi-directional pattern for dynamic seals |
US7494130B2 (en) * | 2006-02-13 | 2009-02-24 | Freudenberg-Nok General Partnership | Bi-directional pattern for dynamic seals |
US8162322B2 (en) * | 2006-10-25 | 2012-04-24 | Rexnord Industries, Llc | Hydrodynamic seal with circumferentially varying lift force |
US7891670B2 (en) * | 2008-02-01 | 2011-02-22 | Freudenberg-Nok General Partnership | Multi-directional shaft seal |
CN101749431B (en) * | 2010-01-28 | 2013-07-31 | 浙江工业大学 | Mechanical sealing structure of pearl-row-like annular groove zoning end face |
US8777229B2 (en) * | 2010-03-26 | 2014-07-15 | United Technologies Corporation | Liftoff carbon seal |
US8919782B2 (en) | 2012-10-19 | 2014-12-30 | Freudenberg-Nok General Partnership | Dynamic lay down lip seal with bidirectional pumping feature |
CN105683633B (en) * | 2013-09-27 | 2019-01-29 | 株式会社理研 | Sealing ring |
US10119616B2 (en) | 2016-04-08 | 2018-11-06 | Chevron U.S.A. Inc. | Mechanical seal assistance device and systems and methods for use thereof |
US10465544B2 (en) * | 2017-07-24 | 2019-11-05 | United Technologies Corporation | Eddy current damper for lift off seal |
US11708909B2 (en) * | 2018-04-27 | 2023-07-25 | Hamilton Sundstrand Corporation | Carbon seal |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE549571C (en) * | 1928-11-25 | 1932-04-29 | Ernst Kuhrmeier | Slip ring seal for rotating shafts |
US2247505A (en) * | 1939-01-13 | 1941-07-01 | Joseph H Kohler | Seal |
GB735250A (en) * | 1953-03-03 | 1955-08-17 | Henschel & Sohn Ges Mit Beschr | Rotary shaft seals |
-
1970
- 1970-03-19 US US20954A patent/US3638957A/en not_active Expired - Lifetime
-
1971
- 1971-01-27 ZA ZA710531A patent/ZA71531B/en unknown
- 1971-01-29 AU AU24810/71A patent/AU2481071A/en not_active Expired
- 1971-02-25 DE DE19712108945 patent/DE2108945A1/en active Pending
- 1971-03-17 NL NL7103559A patent/NL7103559A/xx unknown
- 1971-03-19 FR FR7109750A patent/FR2084902A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7103559A (en) | 1971-09-21 |
US3638957A (en) | 1972-02-01 |
DE2108945A1 (en) | 1971-10-07 |
FR2084902A5 (en) | 1971-12-17 |
AU2481071A (en) | 1972-08-03 |
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